blob: 3b2b2f37b7e01e24c0ac77be3cac4a0830fcdc90 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
CROSS_COMPILE ?= arm-none-eabi-
CC = $(CROSS_COMPILE)gcc
OBJCOPY = $(CROSS_COMPILE)objcopy
CFLAGS = -Os -g -mcpu=cortex-a9
ASFLAGS = $(CFLAGS) -Wa,-mcpu=cortex-a9+mp
LDSCRIPT = bootrom.ld
LDFLAGS = -Wl,--build-id=none -static -nostdlib -T $(LDSCRIPT)
OBJS := start.o image.o
.PHONY: all clean
all: npcm7xx_bootrom.bin
clean:
rm -f *.o *.bin *.elf
npcm7xx_bootrom.bin: npcm7xx_bootrom.elf
$(OBJCOPY) -O binary $< $@
npcm7xx_bootrom.elf: $(OBJS) $(LDSCRIPT)
$(CC) -o $@ $(LDFLAGS) $(OBJS)
|
